Chicago and Boston time difference is 1 hour


Time in Chicago


Mon, May 25th (UTC -5)
Time in Boston


Mon, May 25th (UTC -4)

You should keep in mind that these two cities are in two different time zones. Boston time is 1 hour ahead of Chicago time, so if you are located in Chicago and would like to make a phone call to or have a video chat with someone in Boston, the convenient time for both you and the other party is 9am to 4pm (Chicago time).


See distance from Chicago to Boston

Time difference comparison

12 am Chicago1am Boston
1 am Chicago2am Boston
2 am Chicago3am Boston
3 am Chicago4am Boston
4 am Chicago5am Boston
5 am Chicago6am Boston
6 am Chicago7am Boston
7 am Chicago8am Boston
8 am Chicago9am Boston
9 am Chicago10am Boston
10 am Chicago11am Boston
11 am Chicago12pm Boston
12 pm Chicago1pm Boston
1 pm Chicago2pm Boston
2 pm Chicago3pm Boston
3 pm Chicago4pm Boston
4 pm Chicago5pm Boston
5 pm Chicago6pm Boston
6 pm Chicago7pm Boston
7 pm Chicago8pm Boston
8 pm Chicago9pm Boston
9 pm Chicago10pm Boston
10 pm Chicago11pm Boston
11 pm Chicago12am next day Boston

The hours shown in blue color are the usual 9 am to 5 pm business hours.



Time difference between CDT (Central Daylight Time) and EDT (Eastern Daylight Time) is 1 hour



Chicago - USA

  • Time zone: CDT - Central Daylight Time
  • Time zone offset: UTC/GMT -5
  • DST started on: 08 March 2020
  • DST will end on: 01 November 2020
    When Daylight Saving Time ends, the time zone in Chicago will return to CST (Central Standard Time).


Boston - USA

  • Time zone: EDT - Eastern Daylight Time
  • Time zone offset: UTC/GMT -4
  • DST started on: 08 March 2020
  • DST will end on: 01 November 2020
    When Daylight Saving Time ends, the time zone in Boston will return to EST (Eastern Standard Time).